Viridian color is a dark color. Remind me of spring green? It's like a darker version of that color. It can be called a saturated color.
#F1F8F5
#DDEEE5
#BEDCCE
#92C3B1
#63A48D
#40826D
#306B5A
#275549
#20453A
#1B3931
#0F1F1B